類似のロイヤリティフリーの画像
Man hand in suit holds a glowing light bulb on a wire. The concept of energy saving light bulb, Creative light bulb idea in the hand business
Man holding a black plug
Electrical power cable with EU plug on a flat orange background, top view, copy space
Man hand idea or light bulb on desk
Close up photo of shining single light bulb on green blurred background.
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